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Siemens HEG3B100 3-Phase Fuseless Motor Disconnect Switch

Siemens HEG3B100 3-pole fuseless motor disconnect switch.

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ManufacturerSiemens

Part numberHEG3B100

Poles 3

Amperage 100A

Type Fuseless Motor Disconnect Switch

Voltage Up to 600V AC

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Fuseless operation High current capacity (100A) 3-pole configuration Positive on/off indication Durable industrial design

Product description

The Siemens HEG3B100 is a robust, 3-pole fuseless motor disconnect switch designed for reliable power isolation in industrial settings. It boasts a 100 Amp continuous current rating, making it suitable for higher-demand motor circuits. Its heavy-duty construction ensures longevity and dependable performance even in harsh environments.

This disconnect switch is essential for applications requiring safe disconnection of motor power, such as in large machinery, conveyor systems, and heavy industrial equipment. It finds use across various industries including mining, automotive manufacturing, and power generation.

Stanlo Automation, a veteran-owned surplus parts distributor, provides the Siemens HEG3B100 with a commitment to quality and cost-effectiveness. We ensure that our customers have access to the critical components they need to maintain operational efficiency and minimize downtime.

Technical specifications

Poles	3
Amperage	100A
Type	Fuseless Motor Disconnect Switch
Voltage	Up to 600V AC
Enclosure	NEMA 1

Common applications

Heavy machinery control

Conveyor systems

Mining equipment

Automotive plants

Power generation

Industrial power distribution

Compatible systems

Suitable for 3-phase motor circuits up to 600V AC. Verify load requirements before installation.

Also known as

Siemens HEG3B100 disconnect HEG3B100 switch Siemens 100 amp motor disconnect

Replaces / compatible with

This HEG3B100 serves as a direct replacement for older Siemens motor disconnect switches of the same series and amperage rating. Always verify electrical schematics for direct compatibility.

Technical note

Expert tip

Ensure the switch is installed in a location with adequate clearance for operation and maintenance, adhering to NEMA enclosure guidelines.

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Frequently asked questions

Can the Siemens HEG3B100 be used in outdoor applications?

The Siemens HEG3B100 is typically supplied in a NEMA 1 enclosure, which is designed for indoor use to protect against solid foreign objects. For outdoor applications, an appropriately rated NEMA 3R or NEMA 4 enclosure would be necessary, or a model specifically designed for outdoor use.